Aliyun::OSS::ServerError: You must provide the Content-Length HTTP header.

[lazybios]

正常表单上传，有时候会报Aliyun::OSS::ServerError，一段时间基本上是必现，提示缺少Content-Length参数，不过发现通过direct upload方式上传是不会报错的。

表单参数

=> #<ActionController::Parameters {"_method"=>"put", "authenticity_token"=>"xxxxxxx", "user"=>#<ActionController::Parameters {"avatar"=>#<ActionDispatch::Http::UploadedFile:0x00007fc34934b728 @tempfile=#<Tempfile:/var/folders/s9/g41qq3bs7dv10n9lt7z4st5r0000gn/T/RackMultipart20210917-28937-o36uet.jpeg>, @original_filename="71670020_415058982543577_8058120922903287954_n.jpeg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"user[avatar]\"; filename=\"71670020_415058982543577_8058120922903287954_n.jpeg\"\r\nContent-Type: image/jpeg\r\n">, "type"=>"local"} permitted: false>, "controller"=>"users", "action"=>"profile", "format"=>"2"} permitted: false>

报错信息

Aliyun::OSS::ServerError: You must provide the Content-Length HTTP header. RequestId: xxxxxxxxxx